In any case foreign organizations that contribute to Israeli organizations with a political agenda have an agenda of their own and need not be protected. Free speech is for Israelis, not foreigners. The Israeli government owes them nothing and they should not be funding political organizations in Israel. Can you imagine Netanyahu interfering in US elections?
Prime Minister Netanyahu's meeting with security chiefs ends after four hours (haaretz)
from the article: Netanyahu is working to limit free speech in Israel, Labor leader says